Analog Section - Agilent Technologies E4991A Service Manual

Rf impedance/material analyzer

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Table of Contents

Theory of Operation

Analog Section

The analog section consists of A1 reference osc board, A2 DC bias board(Option 001), A3

source board, A4 receiver board, A5 reference oven board(Option 1D5), A6 test head, and

A10 analog motherboard. The A1, A2, A3, and A4 are controlled by A20 digital

motherboard through A21 analog interface board and A10 analog motherboard.